V4L/DVB: ir-core: Add logic to decode IR protocols at the IR core

[safe/jmp/linux-2.6] / include / media / ir-core.h

diff --git a/include/media/ir-core.h b/include/media/ir-core.h
index 1eae72d..369969d 100644 (file)
--- a/include/media/ir-core.h
+++ b/include/media/ir-core.h
@@ -16,6 +16,8 @@
 
 #include <linux/input.h>
 #include <linux/spinlock.h>
+#include <linux/kfifo.h>
+#include <linux/time.h>
 
 extern int ir_core_debug;
 #define IR_dprintk(level, fmt, arg...) if (ir_core_debug >= level) \
@@ -27,6 +29,13 @@ extern int ir_core_debug;
 #define IR_TYPE_NEC    (1  << 2)
 #define IR_TYPE_OTHER  (((u64)1) << 63l)
 
+enum raw_event_type {
+       IR_SPACE        = (1 << 0),
+       IR_PULSE        = (1 << 1),
+       IR_START_EVENT  = (1 << 2),
+       IR_STOP_EVENT   = (1 << 3),
+};
+
 struct ir_scancode {
        u16     scancode;
        u32     keycode;
@@ -46,6 +55,15 @@ struct ir_dev_props {
        int (*change_protocol)(void *priv, u64 ir_type);
 };
 
+struct ir_raw_event {
+       struct timespec         delta;  /* Time spent before event */
+       enum raw_event_type     type;   /* event type */
+};
+
+struct ir_raw_event_ctrl {
+       struct kfifo                    kfifo;          /* fifo for the pulse/space events */
+       struct timespec                 last_event;     /* when last event occurred */
+};
 
 struct ir_input_dev {
        struct device                   dev;            /* device */
@@ -53,7 +71,9 @@ struct ir_input_dev {
        struct ir_scancode_table        rc_tab;         /* scan/key table */
        unsigned long                   devno;          /* device number */
        const struct ir_dev_props       *props;         /* Device properties */
+       struct ir_raw_event_ctrl        *raw;           /* for raw pulse/space events */
 };
+
 #define to_ir_input_dev(_attr) container_of(_attr, struct ir_input_dev, attr)
 
 /* Routines from ir-keytable.c */
@@ -72,4 +92,16 @@ void ir_input_unregister(struct input_dev *input_dev);
 int ir_register_class(struct input_dev *input_dev);
 void ir_unregister_class(struct input_dev *input_dev);
 
+/* Routines from ir-raw-event.c */
+int ir_raw_event_register(struct input_dev *input_dev);
+void ir_raw_event_unregister(struct input_dev *input_dev);
+int ir_raw_event_store(struct input_dev *input_dev, enum raw_event_type type);
+int ir_raw_event_handle(struct input_dev *input_dev);
+
+/* from ir-nec-decoder.c */
+int ir_nec_decode(struct input_dev *input_dev,
+                 struct ir_raw_event *evs,
+                 int len);
+
+
 #endif